session observer session close fixed, kill process fixed and optimized, git submodule path updated

app.js

@@ -1,3 +1,14 @@
+const {test_config} = require('./tests/config')
+const {test_titles} = require('./tests/titles')
+
+if (!test_config()) {
+    process.exit(1)
+}
+if (!test_titles()) {
+    process.exit(1)
+}
+console.log('all initial tests successfully passed')
+
 const {port} = require('./config')
 const app = require('express')()
 const routes = require('./src/routes')
@@ -6,18 +17,6 @@ const body_parser = require('body-parser')
 const {request_logger, error_logger} = require('./src/middlewares/logger')
 const {error_handler} = require('./src/middlewares/error_handler')
 const {start_observer} = require('./src/modules/session_observer')
-const {test_config} = require('./tests/config')
-const {test_titles} = require('./tests/titles')
-
-if (!test_config()) {
-    process.exit(1)
-}
-
-if (!test_titles()) {
-    process.exit(1)
-}
-
-console.log('all initial tests successfully passed')
 
 start_observer()